Chemistry Semester 1 Exam 2022 - Joseph Morsaw | Library

2

Which is the state of matter that has a definite shape and definite volume?

2

Which is the state change in which a gas becomes a liquid?

2

Which is the type of separation technique being demonstrated in the figure?

2

Which is the state of matter shown in this figure?

2

Which of the following substances is an element?

2

Which is NOT a chemical change?

2

Which is a compound?

4

What is the density of an object having a mass of 7.9 g and a volume of 37.15 cubic centimeters?

4

What is the volume of an object with a density of 9.09 g/cm3 and a mass of 542 g?

2

This radioactive particle has two protons and two neutrons.

2

Which subatomic particle has a negative charge?

2

The particles that are found in the nucleus of an atom are ____.

2

How many significant figures in the number 50.010?

6

Which numbers below have 1 significant figure

2

All atoms of the same element have the same ____.

2

Isotopes of the same element have different ____.

2

Who was the man who lived from 460B.C.–370B.C. and was among the first to suggest the idea of atoms?

1

2

Which of the following elements is a d-block element?

2

What is the next atomic orbital in the series 1s, 2s, 2p, 3s, 3p?

2

Which is the correct electron dot diagram for the element Silicon (Si)?

2

What is the electron configuration of potassium?

2

How many energy sublevels are in the second principal energy level?

2

Give the electron dot diagram for the element Iodine.

2

Give the electron configuration for a neutral atom of beryllium.

2

What is another name for the representative elements?

2

Which of the following elements is in the same period as phosphorus?

2

Of the elements Pt, V, Li, and Kr, which is a nonmetal?

2

Which of the following elements has the smallest atomic radius?

2

Which group of elements in the periodic table is known as the alkali metals ?

2

What is another name for column 17 elements?

2

Who arranged the elements according to atomic mass and used the arrangement to predict the properties of missing elements?

2

What is the element with the highest electronegativity value?

2

EXTRA CREDIT: __________________ is the most abundant state of matter found in the universe.

10

Essay--Write the answer to one essay question in the space provided below.
FCA’s 1. Write in complete sentences and paragraph form.
2. Use Chapter 3 terminology to answer questions(example: substance, element, compound, solution, etc...).
3. Provide inferences, other thoughts, or personal experiences in your answer whenever possible.
Essay Questions to choose from....

Choice #1 Give an example of a physical or chemical change and explain what makes it only a physical or chemical change.

Choice #2 Explain why the atomic radius of an element changes as you go left to right on the periodic table and how the atomic radius changes as you go top to bottom on the periodic table.